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13028255000 = 23543770423
BaseRepresentation
bin11000010001000101…
…10110010100011000
31020121221221221000222
430020202312110120
5203140213130000
65552440415212
7640565224505
oct141042662430
936557857028
1013028255000
1155861238a2
122637177508
1312c81b5637
148b84024ac
15513b83a85
hex3088b6518

13028255000 has 80 divisors (see below), whose sum is σ = 31350652080. Its totient is φ = 5070384000.

The previous prime is 13028254999. The next prime is 13028255087. The reversal of 13028255000 is 55282031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 149789 + ... + 220211.

It is an arithmetic number, because the mean of its divisors is an integer number (391883151).

Almost surely, 213028255000 is an apocalyptic number.

13028255000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13028255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15675326040).

13028255000 is an abundant number, since it is smaller than the sum of its proper divisors (18322397080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13028255000 is an equidigital number, since it uses as much as digits as its factorization.

13028255000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70486 (or 70467 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 13028255000 in words is "thirteen billion, twenty-eight million, two hundred fifty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 125 148 185 200 250 296 370 500 625 740 925 1000 1250 1480 1850 2500 3700 4625 5000 7400 9250 18500 23125 37000 46250 70423 92500 140846 185000 281692 352115 563384 704230 1408460 1760575 2605651 2816920 3521150 5211302 7042300 8802875 10422604 13028255 14084600 17605750 20845208 26056510 35211500 44014375 52113020 65141275 70423000 88028750 104226040 130282550 176057500 260565100 325706375 352115000 521130200 651412750 1302825500 1628531875 2605651000 3257063750 6514127500 13028255000